As a guy who had a hand in buying and/or specifying the purchase of millions of dollars worth of HP equipment (never bought any Agilent, couldn't figure out how to pronounce it) and who used a lot of it, I also think the reference belongs at the top.
But why not a spectrum analyzer mode and a panadapter mode? --- On Fri, 7/30/10, Alan Bloom <[email protected]> wrote: > As a former HP/Agilent engineer I > agree. Originally the P3 defined REF > LVL as the reference level at the top of the screen and > SCALE was in > dB/division. But I got talked out of it. > > For a panadapter you generally want to set the noise to be > near the > bottom of the display. As you change the scale you > don't want that to > change. That's the reason for using the bottom of the > display as the > reference level. > > Also, it goes against my intuition that the reference level > decreases > (becomes more negative) as you turn the knob > clockwise. Again, the > thought was that for a panadapter, people expect the signal > to get > bigger as you turn the knob to the right. > > Basically a panadapter and a spectrum analyzer are used for > different > purposes so it makes sense that the user interface is > different. > Hopefully we got it right. > > Alan N1AL ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
